Training a Guide Dog
Reed International Books Australia, 2000
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The Man Who Measured the World
Thomson Nelson, 2004
ISBN: 0 17 011714 6
  
"How far does the sea go, Father?' Xenia asks. 
"No one knows" Eratosthenes answers.
"Some say it goes right round the world. "
" But how far is that ?"
"No one knows that either."  

If Xenia can help her father work out the circumference of the earth, he might win the king's competition. But
there are many learned men in Ancient Egypt - is her father clever enough ?

               

The Unseen Army Bacteria and Viruses
Reissued 2001
Reed International Books Australia,  1992

                 

Our Busy Bodies
Reed International Books Australia, 1997

 The Food Journey  
Insights Series
Reed International Books Australia, 1997

Glass
Reed International Books Australia, 2000